Home / 92,831.92-128,077.56-52,541.68

Finding the Fourth Proportional to 92,831.92, 128,077.56 and 52,541.68

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Solution

The fourth proportional to 92,831.92, 128,077.56 and 52,541.68 is: 72,490.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,831.92 : 128,077.56 = 52,541.68 : x
  2. Step 2: Convert to fraction form
    92,831.92/128,077.56 = 52,541.68/x
  3. Step 3: Cross multiply
    92,831.92x = 128,077.56 × 52,541.68
  4. Step 4: Simplify right side
    92,831.92x = 6,729,410,172.70
  5. Step 5: Solve for x
    x = 6,729,410,172.70/92,831.92
  6. Step 6: Final answer
    x = 72,490.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.